T224162B Ver la hoja de datos (PDF) - Taiwan Memory Technology
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T224162B Datasheet PDF : 14 Pages
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tm TE
CH
FUNCTIONAL BLOCK DIAGRAM
T224162B
A0
A1
A2
A3
A4
A5
A6
A7
A8
RAS
WE
CASL
CASH
CAS
NO.2 CLOCK
GENERATOR
COLUMN.
9
ADDRESS
BUFFER
REFRESH
CONTROLLER
REFRESH
COUNTER
9
ROW.
9 ADDRESS
BUFFERS(9)
NO.1 CLOCK
GENERATOR
CONTROL
LOGIC
DATA-IN BUFFER
9
COLUMN
DECODER
512
8
8
SENSE AMPLIFIERS
VO GATING
512 x 16
DATA-OUT
BUFFER
16
DQ01
.
16
.
DQ16
OE
512 x 512 x 16
9
512
MEMORY
ARRAY
Vcc
Vss
PIN DESCRIPTIONS
PIN NO.
16~19,22~26
14
28
29
13
27
2~5,6~10,31~34,36~39
1,6,20
21,35,40
11,12,15,30
SYM.
A0-A8
RAS
CASH
CASL
WE
OE
I/O1 - I/O16
Vcc
Vss
NC
TYPE
DESCRIPTION
Input Address Input
Input Row Address Strobe
Input Column Address Strobe /Upper Byte Control
Input Column Address Strobe /Lower Byte Control
Input Write Enable
Input Output Enable
Input/ Output Data Input/ Output
Supply Power, 5V
Ground Ground
-
No Connect
Taiwan Memory Technology, Inc. reserves the right P. 2
to change products or specifications without notice.
Publication Date:AUG. 2000
Revision:L
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